linux-kernel - Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others)

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Message-ID: <f488382f0809201448l21434f11n12311e308f9952d7@mail.gmail.com>
Date:	Sat, 20 Sep 2008 14:48:00 -0700
From:	"Steven Noonan" <steven@...inklabs.net>
To:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
Cc:	linux-wireless <linux-wireless@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Senthilkumar Balasubramanian" 
	<Senthilkumar.Balasubramanian@...eros.com>,
	"ath9k-devel@...ts.ath9k.org" <ath9k-devel@...ts.ath9k.org>,
	"Luis Rodriguez" <Luis.Rodriguez@...eros.com>,
	"Johannes Berg" <johannes@...solutions.net>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others)

On Sat, Sep 20, 2008 at 2:26 PM, Luis R. Rodriguez
<lrodriguez@...eros.com> wrote:
> On Sat, Sep 20, 2008 at 2:22 PM, Steven Noonan <steven@...inklabs.net> wrote:
>
>> Heh. I don't have an Xbox 360 or PS3 (sad, I know). Do have several
>> 2.4GHz phones. ;)
>
> Microwaves are the best to make the signal wet poop BTW, if you have
> that option available. Not sure if we can trigger the device that way
> but I'm just brainstorming here.
>

Well, I've got the thing set to ATH_DBG_ANY (I want this damn bug
found!), which will certainly be *interesting*. In 5 minutes, the log
has jumped 9 megabytes.

I've also got sadc monitoring IRQs so I know for certain when the
interrupt storm starts.

I'll let you know how this goes.

- Steven
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